Method of and apparatus for manufacturing workpieces having poly

Details Method of and apparatus for manufacturing workpieces having poly Method of and apparatus for manufacturing workpieces having poly

1974-07-24

1976-05-25

Vlachos, Leonidas

Turning

Process of turning

82 18, 33 23B, 33 23H, 33 27L, 33 30G, 408 54, B23B 100, B23B 544

Patent

active

039584712

ABSTRACT:
Methodwise this disclosure relates to the manufacture of workpieces having polygonal inner or outer contours based upon radii of predetermined inner and outer circles with n being the number of angles of the desired polygon, the method including the steps of rotating a workpiece about its axis, moving the tool along an ellipsoidal path while in contact with the rotating workpiece with tool travel along the ellipsoidal path having velocity varying generally sinusoidally as a function of tool location, said ellipsoidal paht is radially offset from the workpiece axis of rotation and its width generally corresponds to the difference between said inner and outer radii, and rotating the workpiece about its axis for a duration of time longer than the duration of movement of the tool along the ellipsoidal path by said factor n.

REFERENCES:
patent: 3490336 (1970-01-01), Staub
patent: 3593603 (1971-07-01), Gellert

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